Video door intercom system, consisting of a door intercom with a robust housing made of aluminum alloy (IP44) for surface mounting, including a color camera (angle of detection: 118° horizontal, 97° vertical), LED lighting and a call button with illuminated nameplate as well as an indoor station with a 7-inch LCD flat screen and 15V plug-in power supply. Connection via 4-wire technology (cable not included). An electric door opener (12V DC, max. 500mA) can optionally be connected to the door intercom (or alternatively to the indoor station) via 2 wires. 7 selectable ring tones with adjustable volume. Up to two analog surveillance cameras can optionally be connected to the indoor station. Dimensions: 88 x 130 x 24mm (door intercom), 210 x 116 x 26mm (indoor station). The set can be expanded with 3x additional indoor stations VT38M or VT38A and 1x additional door intercom VT38T. Suitable DIN rail transformer: HDR3015 for up to 2 indoor stations or HDR6015 for up to 4 indoor stations.